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Segmented MPGD ECTs #1185

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0b40765
add segmented ect
mposik1983 Sep 23, 2026
c60a9fb
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Sep 23, 2026
65c82eb
fix backward ect overlap, move forward ect to sept 2025 model position
mposik1983 Oct 2, 2026
ac2d3d5
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 2, 2026
17b18be
fix forward disk overlaps w/supports
Oct 6, 2026
ce73f50
Added material map
Oct 23, 2026
ae92f0c
Merge branch 'main' into mpgd_endcap_draft
mposik1983 Oct 23, 2026
7ed436d
Update material-map URL in definitions_craterlake.xml
mposik1983 Oct 26, 2026
06a98c7
Merge branch 'main' into mpgd_endcap_draft
mposik1983 Oct 26, 2026
f8f9c16
Udated material map
Oct 26, 2026
50e8503
Delete scripts/material_map/calibrations/materials-map.cbor
veprbl Oct 27, 2026
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21 changes: 21 additions & 0 deletions compact/materials.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -579,4 +579,25 @@
<composite n="6" ref="O"/>
<composite n="2" ref="N"/>
</material>

<comment>
Material for MPGD endcap
</comment>
<material name="Fiberglass">
<D type="density" value="1.85" unit="g / cm3"/>
<composite n="0.30" ref="Si"/>
<composite n="0.50" ref="O"/>
<composite n="0.10" ref="Ca"/>
<composite n="0.05" ref="Al"/>
<composite n="0.05" ref="B"/>
</material>

<material name="Honeycomb">
<D type="density" value="0.048" unit="g / cm3"/>
<composite n="0.54" ref="C"/>
<composite n="0.04" ref="H"/>
<composite n="0.22" ref="O"/>
<composite n="0.20" ref="N"/>
</material>

</materials>
25 changes: 9 additions & 16 deletions compact/tracking/definitions_craterlake.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -106,22 +106,15 @@
<constant name="TrackerEndcapNDisk4_rmin" value="38.043*mm + Beampipe_bakeout_buffer + 3.310*mm" />
<constant name="TrackerEndcapNDisk4_rmax" value="TrackerEndcapPDisk4_rmax" />

<comment> MPGD Endcap Parameters </comment>
<comment> Main parameters for MPGD endcap disks, offset here is the distance between disks </comment>
<constant name="ForwardMPGD_zmin" value="1285.0*mm"/>
<constant name="ForwardMPGDMod_offset" value="125.0*mm"/>
<constant name="ForwardMPGDMod1_rmin" value="70.0*mm" />
<constant name="ForwardMPGDMod2_rmin" value="70.0*mm"/>
<comment> rmax = active area radius </comment>
<constant name="ForwardMPGDMod1_rmax" value="420*mm" />
<constant name="ForwardMPGDMod2_rmax" value="420*mm" />

<constant name="BackwardMPGD_zmin" value="1075.0*mm"/>
<constant name="BackwardMPGDMod_offset" value="125.0*mm"/>
<constant name="BackwardMPGDMod1_rmin" value="50.0*mm" />
<constant name="BackwardMPGDMod2_rmin" value="50.0*mm" />
<comment> rmax = active area radius </comment>
<constant name="BackwardMPGDMod1_rmax" value="420.0*mm" />
<constant name="BackwardMPGDMod2_rmax" value="420.0*mm" />
<comment> +55.2mm needed to clear support overlap </comment>
<constant name="ForwardMPGD_z1" value="1285*mm"/>
<constant name="ForwardMPGD_z2" value="1387.35*mm + 55.2*mm"/> <comment> disk extends to: ForwardMPGD_z2 + envelope length(47.65mm) = 1442.55mm</comment>

<constant name="BackwardMPGD_z1" value="1075*mm"/>
<constant name="BackwardMPGD_z2" value="1177.35*mm"/> <comment> disk extends to: BackwardMPGD_z2 + envelope length(47.65mm) = 1225mm </comment>


</define>
<comment> See compact/definitions.xml for reserved detector id
Expand Down Expand Up @@ -215,7 +208,7 @@
<plugin name="epic_FileLoader">
<arg value="cache:$DETECTOR_CACHE:/opt/detector"/>
<arg value="file:calibrations/materials-map.cbor"/>
<arg value="url:https://raw.githubusercontent.com/eic/epic-data/700fa7f92568311408137b2002b513346b66277d/material-map.cbor"/>
<arg value="url:https://raw.githubusercontent.com/eic/epic-data/f5852a4ad196adbc80aca8dd15727110f99992e1/material-map.cbor"/>
</plugin>
</plugins>
<define>
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